*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f7fb;color:#1f2933}#root{min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:32px}.app-shell{width:100%;max-width:1100px;background:#fff;border-radius:12px;box-shadow:0 10px 40px #0f172a1a;padding:32px}h1{margin-top:0}.grid{display:grid;gap:24px}.card{background:#f8fafc;border-radius:10px;padding:20px;border:1px solid #e2e8f0}.card h2{margin-top:0}label{display:block;font-size:14px;color:#475569;margin-bottom:4px}input,textarea,select{width:100%;padding:10px 12px;border:1px solid #cbd5f5;border-radius:8px;background:#fff;font-size:14px;margin-bottom:12px}input:focus,textarea:focus,select:focus{outline:2px solid #2563eb;border-color:#2563eb}button{background:#2563eb;color:#fff;border:none;padding:10px 16px;border-radius:8px;font-size:14px;cursor:pointer}button.secondary{background:transparent;color:#2563eb;border:1px solid #2563eb}button:disabled{opacity:.6;cursor:not-allowed}.invoice-lines{display:grid;gap:16px}.line-grid{display:grid;gap:12px;grid-template-columns:2fr 1fr 1fr 1fr}.line-grid input,.line-grid select{margin-bottom:0}@media (max-width: 900px){.line-grid{grid-template-columns:1fr 1fr}}.submit-block{display:grid;gap:8px}.submit-row{display:flex;gap:12px;align-items:center}.submit-row input{flex:1;margin-bottom:0}.submit-row button{flex-shrink:0}.status{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:500}.status-loading{background:#eff6ff;color:#1d4ed8}.status-success{background:#dcfce7;color:#166534}.status-error{background:#fee2e2;color:#b91c1c}.spinner{width:16px;height:16px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.submission-meta{display:grid;gap:6px;padding:12px;background:#f1f5f9;border-radius:8px}.fiscal-panel{display:grid;gap:12px;padding:16px;background:#f8fafc;border:1px solid #dbeafe;border-radius:10px}.fiscal-panel h3{margin:0}.fiscal-grid{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;padding:24px;z-index:1000}.modal{background:#fff;width:min(1100px,95vw);height:min(85vh,900px);border-radius:12px;box-shadow:0 10px 40px #0f172a40;display:grid;grid-template-rows:auto 1fr}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #e2e8f0}.modal-body{padding:0}